{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949720,-0.313099,0.000000,0.000000,0.174993,-0.530803,0.829232,0.000000,-0.259085,0.785880,0.561487,0.000000,-1654227.602786,5017748.258482,3561025.434444,1],    "boundingVolume": {    "region": [1.889174,0.596097,1.889328,0.596266,0.000000,17.871203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1436176.b3dm"}}}